Repository logo
  • English
  • Srpski (lat)
  • Српски
Log In
Have you forgotten your password?
  1. Home
  2. Browse by Author

Browsing by Author "Kojovic, Vladimir (23970795300)"

Filter results by typing the first few letters
Now showing 1 - 19 of 19
  • Results Per Page
  • Sort Options
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Buccal mucosa graft for simultaneous correction of severe chordee and urethroplasty as a one-stage repair of scrotal hypospadias (watch technique)
    (2019)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Bizic, Marta (23970012900)
    ;
    Stojanovic, Borko (54390096600)
    ;
    Bencic, Marko (57194199573)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Korac, Gradimir (8312474700)
    Purpose: Severe hypospadias repair still presents a great challenge. We evaluated a novel approach of using a specially shaped buccal mucosa graft for simultaneous ventral tunica grafting and new urethral plate creation, in combination with longitudinal dorsal island skin flap, as a one-stage repair of severe hypospadias. Methods: Between July 2014 and September 2017, 26 patients (aged from 12 to 22 months) underwent scrotal hypospadias repair. Short and non-elastic urethral plate is divided. Buccal mucosa graft is harvested from the inner cheek, and designed in a special “watch” shape, with the spherical part in the middle and two rectangular parts on both sides. Tunica albuginea is opened ventrally for penile straightening and grafted to the spherical part of the “watch-shaped” buccal mucosa with 6–8 “U-shape” stitches. The rectangular parts are fixed to the tip of the glans distally and native urethral meatus proximally. Longitudinal dorsal skin flap is harvested, button-holed ventrally and joined with buccal graft. Penile skin reconstruction is performed using available penile skin. Results: The mean follow-up was 22 months (range from 9 to 46 months). Satisfactory results were achieved in 22 patients. Two urethral fistulas were successfully repaired by minor surgery after 3 months, while one meatal stenosis and one urethral diverticulum were successfully treated by temporary urethral dilation. There were no cases of residual curvature. Conclusion: Specially shaped buccal mucosa graft for simultaneous curvature correction and urethroplasty could be a good choice for single-stage repair of scrotal hypospadias with severe curvature. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Combined Buccal Mucosa Graft and Dorsal Penile Skin Flap for Repair of Severe Hypospadias
    (2008)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Majstorovic, Marko (23971198500)
    ;
    Stanojevic, Dusan (6701835066)
    ;
    Bizic, Marta (23970012900)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Vukadinovic, Vojkan (35619008800)
    ;
    Korac, Gradimir (8312474700)
    ;
    Krstic, Zoran (6603679391)
    ;
    Perovic, Sava V. (7006446679)
    Objectives: Urethral reconstruction in severe hypospadias presents a great challenge. We have designed a method of combining a longitudinal dorsal island skin flap and buccal mucosa graft to create a neourethra in most severe hypospadias. Methods: Between January 2003 and March 2007, 17 patients (aged from 9 to 23 months) underwent severe hypospadias repair (13 penoscrotal and 4 scrotal hypospadias). Short urethral plate was divided in all cases and remaining curvature repaired by dorsal plication. We harvested and fixed a buccal mucosa graft to the ventral side of corpora cavernosa to be the first half of a neourethra. A longitudinal dorsal island skin flap was created and buttonholed ventrally. We sutured it together with the buccal mucosa graft to form the neourethra. We fixed the abundant flap pedicle laterally to cover all suture lines of the neourethra. We performed penile skin reconstruction using available penile skin. Results: The mean (range) follow-up was 25 (7 to 58) months. We achieved satisfactory, functional, and aesthetic results in 14 patients. In 3 cases urethral fistula (2) and distal stricture (1) required secondary treatment. Conclusions: Combined longitudinal island skin flap and buccal mucosa graft could be a good choice for urethral reconstruction in most severe hypospadias repairs. © 2008 Elsevier Inc. All rights reserved.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Epispadias repair after failed surgery in childhood
    (2013)
    Djordjevic, Miroslav (7102319341)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Bizic, Marta (23970012900)
    ;
    Majstorovic, Marko (23971198500)
    ;
    Vukadinovic, Vojkan (35619008800)
    ;
    Korac, Gradimir (8312474700)
    ;
    Krstic, Zoran (6603679391)
    Introduction Redo surgery in failed epispadias presents a great challenge. Our aim was to present a radical approach for correction of penile deformities as well as urethral reconstruction in patients after failed epispadias repair. Materials and Methods Between January 2006 and January 2011, 13 patients, aged 13 to 22 years, underwent redo surgery due to failed epispadias repair in childhood. All patients presented with severe dorsal curvature and short urethra. First stage included penile disassembly technique with complete separation of corporal bodies, urethral dissection, and transposition and subtotal glans mobilization. Residual dorsal curvature was corrected by tunical incision and grafting of the defect. Short urethra was dissected and transposed ventrally with opening at the base of the penis. Penile entities were reassembled in normal anatomical relationship. Penile body was covered using available vascularized skin flaps. After 6 months, second stage was performed and included reconstruction of the penile urethra using buccal mucosa graft and scrotal hairless skin flap. Results Follow-up ranged from 12 to 60 months (mean 33 months). Acceptable outcome is achieved in all the patients. Complete penile lengthening and straightening is obtained in 10 out of 13 patients. Mild curvature is noted in three patients without consequences. Satisfactory sexual activity was reported from nine patients. One patient developed fistula that was closed after 4 months, whereas all other patients reported normal voiding with no difficulties. Conclusions Redo surgery of failed epispadias is very demanding procedure. Radical approach in these cases is necessary for complete repair of all penile deformities with satisfactory postoperative outcome. © 2013 Georg Thieme Verlag KG Stuttgart - New York.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    "Hanging" of the buccal mucosal graft for urethral stricture repair after failed hypospadias
    (2011)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Bizic, Marta (23970012900)
    ;
    Majstorovic, Marko (23971198500)
    ;
    Vukadinovic, Vojkan (35619008800)
    ;
    Korac, Gradimir (8312474700)
    Purpose: Urethral stricture is the second most common complication of hypospadias repair after urethrocutaneous fistula. Usually more than 1 procedure is needed for correction due to a lack of available tissue after previous repairs. We evaluated 1-stage urethral stricture management after hypospadias repair using a ventral buccal mucosal graft. We describe the importance of graft hanging and coverage. Materials and Methods: From August 2004 to April 2009, 15 patients 9 to 17 years old underwent urethral stricture repair after failed hypospadias surgery. Mean time after primary surgery was 7.2 years (range 4 to 13). Vascularized periurethral tissue around the stenotic part of the neourethra was dissected. The urethra was opened ventrally and a buccal mucosal graft of appropriate size was inserted to allow urethral augmentation. Using several U stitches the graft was anchored to the surrounding periurethral tissue to prevent its folding and retraction. Recurrent chordee in 12 patients and secondary vesicoureteral reflux in 3 were also corrected at this time. Results: Mean followup was 37 months (range 17 to 73). Successful results were confirmed in all patients by urethrography and uroflowmetry. One urethral fistula was corrected 3 months later by minor surgery. Recurvature did not develop in this group. There was no recurrent reflux in endoscopically treated patients. Conclusions: Ventral buccal mucosal grafting is a simple, safe option for urethral stricture repair. Hanging the graft to periurethral tissue is important for its survival and to prevent postoperative folding and retraction. © 2011 by AMERICAN UROLOGICAL ASSOCIATION EDUCATION AND RESEARCH, INC.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Ileal vaginoplasty as vaginal reconstruction in transgender women and patients with disorders of sex development: an international, multicentre, retrospective study on surgical characteristics and outcomes
    (2018)
    van der Sluis, Wouter B. (54399363500)
    ;
    Pavan, Nicola (56125835400)
    ;
    Liguori, Giovanni (7102393630)
    ;
    Bucci, Stefano (7003626730)
    ;
    Bizic, Marta R. (23970012900)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Hess, Jochen (56973347700)
    ;
    Meijerink, Wilhelmus J.H.J. (6602904517)
    ;
    Mullender, Margriet G. (57641566200)
    ;
    Özer, Müjde (56583746500)
    ;
    Smit, Jan Maerten (55922619100)
    ;
    Buncamper, Marlon E. (6504201532)
    ;
    Krege, Susanne (7005765771)
    ;
    Djordjevic, Miroslav L. (7102319341)
    ;
    Trombetta, Carlo (7005479011)
    ;
    Bouman, Mark-Bram (55371454300)
    Objective: To describe the surgical outcomes of ileal vaginoplasty in transgender women and patients with disorders of sex development (DSD). Patients and Methods: Transgender women and patients with DSD, who underwent ileal vaginoplasty at the VU University Medical Center Amsterdam, University Hospital Trieste, University Hospital Essen, and Belgrade University Hospital, were retrospectively identified. A chart review was performed, recording surgical technique, intraoperative characteristics, complications, and re-operations. Results: We identified a total of 32 patients (27 transgender and five non-transgender), with a median (range) age of 35 (6–63) years. Ileal vaginoplasty was performed as the primary procedure in three and as a revision procedure in the remaining 29. The mean (sd) operative time was 288 (103) min. The procedure was performed laparoscopically (seven patients) or open (25). An ileal ‘U-pouch’ was created in five patients and a single lumen in 27. Intraoperative complications occurred in two patients (one iatrogenic bladder damage and one intraoperative blood loss necessitating transfusion). The median (range) hospitalisation was 12 (6–30) days. Successful neovaginal reconstruction was achieved in all. The mean (sd) achieved neovaginal depth was 13.2 (3.1) cm. The median (range) clinical follow-up was 35 (3–159) months. In one patient a recto-neovaginal fistula occurred, which lead to temporary ileostomy. Introital stenosis occurred in four patients (12.5%). Conclusion: Ileal vaginoplasty can be performed with few intra- and postoperative complications. It appears to have similar complication rates when compared to sigmoid vaginoplasty. It now seems to be used predominantly for revision procedures. © 2018 The Authors BJU International © 2018 BJU International Published by John Wiley & Sons Ltd
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    International multicentre psychometric evaluation of patient-reported outcome data for the treatment of Peyronie's disease
    (2015)
    Kueronya, Verena (54997927000)
    ;
    Miernik, Arkadius (41762236700)
    ;
    Stupar, Slavisa (56594920600)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Hatzichristodoulou, Georgios (42161393500)
    ;
    Egydio, Paulo H. (6507991596)
    ;
    Tosev, Georgi (51864896700)
    ;
    Falcone, Marco (55085596600)
    ;
    De Luca, Francesco (59430605600)
    ;
    Mulalic, Demir (56595256000)
    ;
    Djordjevic, Miroslav (7102319341)
    ;
    Schoenthaler, Martin (54880601600)
    ;
    Fahr, Christian (56595048600)
    ;
    Kuehhas, Franklin E. (21934198400)
    Objective To compare patient-reported outcomes (PROs) of surgical correction of Peyronie's disease (PD) with the Nesbit procedure, plaque incision and grafting, and the insertion of a malleable penile implant after surgical correction of penile curvature. Patients and Methods We performed a retrospective review of men who underwent surgical correction of PD between January 2010 and December 2012 at six international centres. Treatment-related PROs and satisfaction were evaluated with a non-validated questionnaire. Results The response rate to the questionnaire was 70.9%, resulting in a study cohort of 206 patients. The Nesbit procedure, plaque incision with grafting, or implantation of a malleable penile prosthesis was performed in 50, 48, and 108 patients, respectively. Overall, 79.1% reported a subjective loss of penile length due to PD preoperatively (range 2.1-3.2-cm). Those patients treated with a malleable penile implant reported the greatest subjective penile length loss, due to PD. A subjective loss of penile length of >2.5-cm resulted in reduced preoperative sex ability. Postoperatively, 78.0%, 29.2% and 24.1% patients in the Nesbit, grafting, and implant groups reported a postoperative, subjective loss of penile length (range 0.4-1.2-cm), with 86.3%, 78.6%, and 82.1% of the patients in each group, respectively, being bothered by the loss of length. Conclusions Penile length loss due to PD affects most patients. Further penile length loss due to the surgical correction leads to bother among the affected patients, irrespective of the magnitude of the loss. The Nesbit procedure was associated with the highest losses in penile length. In patients with PD and severe erectile dysfunction, a concomitant lengthening procedure may be offered to patients to help overcome the psychological burden caused by the loss of penile length. © 2014 The Authors. BJU International © 2014 BJU International.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Latissimus dorsi free flap phalloplasty: a systematic review
    (2020)
    Kojovic, Vladimir (23970795300)
    ;
    Marjanovic, Marko (57219904208)
    ;
    Radenkovic, Ana (57218323344)
    ;
    Ilic, Predrag (57207790079)
    ;
    Simic, Radoje (16744648200)
    ;
    Bojovic, Branko (36670846000)
    A phalloplasty is a complex genital reconstruction procedure of creating a neophallus. Several techniques to create a neophallus are described, based on different vascularized flaps, and each of them has its advantages and drawbacks. The aim of this study is to present musculocutaneous latissimus dorsi (MLD) flap as a viable option for total phalloplasty, with an interest in clinical outcomes and complications. A comprehensive literature review of all available reports about MLD flap phalloplasty was made. The following keywords were used on PubMed: latissimus dorsi musculocutaneous/myocutaneous free flap and phalloplasty. Research criteria revealed five articles and the results of 182 patients were analyzed. A total number of the patients, indications, operative technique, follow-up period, postoperative results, and complications were presented. In conclusion, MLD free flap presents a good choice for phalloplasty providing sufficient amount of tissue for safe implantation of penile prosthesis and successful penetrative sexual intercourse. The erogenous sensitivity is preserved with clitoris or glans penis incorporated into the base of the neophallus, and voiding in a standing position is achievable after urethral reconstruction. The main drawback is the lack of tactile sensation of the neophallus and the significant advantage is a well-concealed donor site. © 2020, The Author(s), under exclusive licence to Springer Nature Limited part of Springer Nature.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Metoidioplasty as a single stage sex reassignment surgery in female transsexuals: Belgrade experience
    (2009)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Stanojevic, Dusan (6701835066)
    ;
    Bizic, Marta (23970012900)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Majstorovic, Marko (23971198500)
    ;
    Vujovic, Svetlana (57225380338)
    ;
    Milosevic, Alexandar (57204555029)
    ;
    Korac, Gradimir (8312474700)
    ;
    Perovic, Sava V. (7006446679)
    Introduction. Metoidioplasty represents one of the variants of phalloplasty in female transsexuals. Its main characteristic is that it is a one-stage procedure. It involves lengthening and straightening of hypertrophied clitoris to create a neophallus, urethral lengthening to enable voiding while standing, and scrotal reconstruction with insertion of testicle prostheses. Aim. Our aim is to describe our technique and highlight its advantages. Methods. Between September 2002 and April 2007, 82 female transsexuals,aged 18-54 years (mean age 31) underwent one-stage metoidioplasty. Clitoris is lengthened and straightened by division of clitoral ligaments and short urethral plate. Urethroplasty is done with combined buccal mucosa graft and genital skin flaps. Scrotum is created from labia majora in which two testicle prostheses are inserted. Simultaneously, female genitalia are removed. Main Outcome Measures. Patients' personal satisfaction about sensitivity and length of neophallus, possibility to void in standing position, real length of reconstructed urethra as well as complication rate comparing to other published data. Results. The median follow-up was 32 months (range 14-69). The mean neophallic length was 5.7cm (range 4-10). Voiding in standing position was reported in all patients, while dribbling and spraying were noticed in 23 cases and solved spontaneously. There were two urethral strictures and seven fistulas that required secondary minor revision. All patients reported preserved sensation and normal postoperative erection. Testicle prostheses rejection was not observed in any of the patients. Conclusions. Metoidioplasty is a single-stage and time-saving procedure. It could be an alternative to total phalloplasty in female transsexuals who do not wish to have sexual intercourse. Also, it represents a first step in cases where additional augmentation phalloplasty is required. © 2009 International Society for Sexual Medicine.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Metoidioplasty as a single stage sex reassignment surgery in female transsexuals: Belgrade experience
    (2009)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Stanojevic, Dusan (6701835066)
    ;
    Bizic, Marta (23970012900)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Majstorovic, Marko (23971198500)
    ;
    Vujovic, Svetlana (57225380338)
    ;
    Milosevic, Alexandar (57204555029)
    ;
    Korac, Gradimir (8312474700)
    ;
    Perovic, Sava V. (7006446679)
    Introduction. Metoidioplasty represents one of the variants of phalloplasty in female transsexuals. Its main characteristic is that it is a one-stage procedure. It involves lengthening and straightening of hypertrophied clitoris to create a neophallus, urethral lengthening to enable voiding while standing, and scrotal reconstruction with insertion of testicle prostheses. Aim. Our aim is to describe our technique and highlight its advantages. Methods. Between September 2002 and April 2007, 82 female transsexuals,aged 18-54 years (mean age 31) underwent one-stage metoidioplasty. Clitoris is lengthened and straightened by division of clitoral ligaments and short urethral plate. Urethroplasty is done with combined buccal mucosa graft and genital skin flaps. Scrotum is created from labia majora in which two testicle prostheses are inserted. Simultaneously, female genitalia are removed. Main Outcome Measures. Patients' personal satisfaction about sensitivity and length of neophallus, possibility to void in standing position, real length of reconstructed urethra as well as complication rate comparing to other published data. Results. The median follow-up was 32 months (range 14-69). The mean neophallic length was 5.7cm (range 4-10). Voiding in standing position was reported in all patients, while dribbling and spraying were noticed in 23 cases and solved spontaneously. There were two urethral strictures and seven fistulas that required secondary minor revision. All patients reported preserved sensation and normal postoperative erection. Testicle prostheses rejection was not observed in any of the patients. Conclusions. Metoidioplasty is a single-stage and time-saving procedure. It could be an alternative to total phalloplasty in female transsexuals who do not wish to have sexual intercourse. Also, it represents a first step in cases where additional augmentation phalloplasty is required. © 2009 International Society for Sexual Medicine.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Musculocutaneous latissimus dorsi flap for phalloplasty in female to male gender affirmation surgery
    (2019)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Bencic, Marko (57194199573)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Stojanovic, Borko (54390096600)
    ;
    Bizic, Marta (23970012900)
    ;
    Kojic, Sinisa (57205574640)
    ;
    Krstic, Zoran (6603679391)
    ;
    Korac, Gradimir (8312474700)
    Purpose: Despite a variety of free flaps that have been described for creation of the neophallus in gender affirmation surgery, none present an ideal solution. We evaluated our patients and outcomes after gender affirmation phalloplasty using musculocutaneous latissimus dorsi free flap. Methods: Between January 2007 and May 2017, 129 female transsexuals, aged 20–53 years (mean 24 years) underwent total phalloplasty using latissimus dorsi free flap. Urethral lengthening was performed by combining a vaginal flap, labia minora flaps and a clitoral skin flap. Suitable sized testicular implants are inserted into the new scrotum. Penile prosthesis implantation, additional urethral lengthening and glans reshaping were performed in the following stages. Results: The mean follow-up period was 43 months (ranged from 13 to 137 months). There were one partial and two total flap necrosis. The average size of the neophallus was 14.6 cm in length and 12.4 cm in girth. Total length of the reconstructed urethra during the first stage ranged from 13.4 to 21.7 cm (mean 15.8 cm), reaching the proximal third or the midshaft of the neophallus in 91% of cases. Satisfactory voiding in standing position was confirmed in all patients. Six urethral fistulas and two strictures were observed and repaired by minor revision. Malleable and inflatable prostheses were implanted in 39 and 22 patients, respectively. Conclusion: Musculocutaneous latissimus dorsi flap is a good choice for phalloplasty in gender affirmation surgery. It provides an adequate amount of tissue with sufficient blood supply for safe urethral reconstruction and penile prosthesis implantation. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    One-Stage Gender-Confirmation Surgery as a Viable Surgical Procedure for Female-to-Male Transsexuals
    (2017)
    Stojanovic, Borko (54390096600)
    ;
    Bizic, Marta (23970012900)
    ;
    Bencic, Marko (57194199573)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Majstorovic, Marko (23971198500)
    ;
    Jeftovic, Milos (51763736200)
    ;
    Stanojevic, Dusan (6701835066)
    ;
    Djordjevic, Miroslav L. (7102319341)
    Background Female-to-male gender-confirmation surgery (GCS) includes removal of breasts and female genitalia and complete genital and urethral reconstruction. With a multidisciplinary approach, these procedures can be performed in one stage, avoiding multistage operations. Aim To present our results of one-stage sex-reassignment surgery in female-to-male transsexuals and to emphasize the advantages of single-stage over multistage surgery. Methods During a period of 9 years (2007–2016), 473 patients (mean age = 31.5 years) underwent metoidioplasty. Of these, 137 (29%) underwent simultaneous hysterectomy, and 79 (16.7%) underwent one-stage GCS consisting of chest masculinization, total transvaginal hysterectomy with bilateral adnexectomy, vaginectomy, metoidioplasty, urethral lengthening, scrotoplasty, and implantation of bilateral testicular prostheses. All surgeries were performed simultaneously by teams of experienced gynecologic and gender surgeons. Outcomes Primary outcome measurements were surgical time, length of hospital stay, and complication and reoperation rates compared with other published data and in relation to the number of stages needed to complete GCS. Results Mean follow-up was 44 months (range = 10–92). Mean surgery time was 270 minutes (range = 215–325). Postoperative hospital stay was 3 to 6 days (mean = 4). Complications occurred in 20 patients (25.3%). Six patients (7.6%) had complications related to mastectomy, and one patient underwent revision surgery because of a breast hematoma. Two patients underwent conversion of transvaginal hysterectomy to an abdominal approach, and subcutaneous perineal cyst, as a consequence of colpocleisis, occurred in nine patients. There were eight complications (10%) from urethroplasty, including four fistulas, three strictures, and one diverticulum. Testicular implant rejection occurred in two patients and testicular implant displacement occurred in one patient. Clinical Implications Female-to-male transsexuals can undergo complete GCS, including mastectomy, hysterectomy, oophorectomy, vaginectomy, and metoidioplasty with urethral reconstruction as a one-stage procedure without increased surgical risks and complication rates. Strengths and Limitations To our knowledge, this is the largest cohort on this topic so far, with good surgical outcomes. Limitations include lack of selection or exclusion criteria and lack of other studies with a simple approach. For this reason, the technique should be studied further and compared with other techniques for female-to-male surgery before it can be recommended as an alternative procedure. Conclusions Through a multidisciplinary approach of experienced teams, one-stage GCS presents a safe, viable, and time- and cost-saving procedure. Complication rates do not differ from reported rates in multistage surgeries. Stojanovic B, Bizic M, Bencic M, et al. One-Stage Gender-Confirmation Surgery as a Viable Surgical Procedure for Female-to-Male Transsexuals. J Sex Med 2017;14:741–746. © 2017 International Society for Sexual Medicine
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Paternal Contributions to Recurrent Pregnancy Loss: Mechanisms, Biomarkers, and Therapeutic Approaches
    (2024)
    Kaltsas, Aris (57211796008)
    ;
    Zikopoulos, Athanasios (56941787500)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Dimitriadis, Fotios (15126468500)
    ;
    Sofikitis, Nikolaos (7004495043)
    ;
    Chrisofos, Michael (6603145462)
    ;
    Zachariou, Athanasios (8613591500)
    Background and Objectives: Recurrent pregnancy loss (RPL) affects numerous couples worldwide and has traditionally been attributed mainly to maternal factors. However, recent evidence highlights significant paternal influences on pregnancy viability and outcomes. This review aims to comprehensively examine male contributions to pregnancy loss, focusing on underlying mechanisms, novel biomarkers, and integrated strategies for improved reproductive success. Materials and Methods: A comprehensive narrative review was conducted by searching databases including PubMed and Embase for the literature published from January 2004 to October 2024. Studies focusing on paternal influences in RPL—encompassing oxidative stress, genetic and epigenetic mechanisms, health conditions, lifestyle factors, environmental exposures, and advancements in sperm proteomics—were included. Inclusion criteria were peer-reviewed articles in English that directly addressed paternal factors in RPL; studies not meeting these criteria were excluded. Results: The review identified that paternal factors such as advanced age, metabolic and cardiovascular health issues, chronic diseases, lifestyle habits (e.g., smoking, alcohol consumption, poor diet), and environmental exposures significantly affect sperm integrity through mechanisms like oxidative stress, DNA fragmentation, and epigenetic alterations. Advanced paternal age and poor health conditions are associated with increased risks of miscarriage and adverse pregnancy outcomes. Novel sperm proteomic biomarkers have been identified, offering potential for enhanced diagnostics and personalized interventions. Integrated approaches involving multidisciplinary assessments, preventive strategies, and genetic counseling are essential for effectively addressing RPL. Conclusions: Integrating paternal factors into clinical evaluations is crucial for effectively addressing recurrent pregnancy loss. Recognizing and modifying paternal risk factors through lifestyle changes, medical interventions, and environmental management can improve pregnancy outcomes. The findings underscore the need for incorporating paternal assessments into standard care and highlight the importance of future research focusing on standardizing diagnostic protocols, expanding studies on paternal contributions, and integrating proteomic biomarkers into clinical practice to facilitate personalized treatment strategies. © 2024 by the authors.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Penile prosthesis implantation and tunica albuginea incision without grafting in the treatment of Peyronie's disease with erectile dysfunction
    (2013)
    Djordjevic, Miroslav L (7102319341)
    ;
    Kojovic, Vladimir (23970795300)
    We evaluated penile prosthesis implantation with tunica albuginea-relaxing incisions without grafting in the treatment of Peyronie's disease associated with erectile dysfunction. Between April 2005 and June 2011, 62 patients underwent surgery due to severe Peyronie's disease associated with erectile dysfunction. Malleable and inflatable penile prostheses were inserted in 49 and 13 cases, respectively. Penile prostheses were inserted into the corpora cavernosa using the standard ventral approach. After lifting the neurovascular bundle, the tunica albuginea was incised and opened at the plaque region to correct the deformities and to lengthen the penis. Subsequently, the wide neurovascular bundle was replaced, and all incisions of the tunica albuginea were covered to prevent corporal grafting. In the median follow-up of 35 months (range 14-82 months), the penis was completely straightened in 59 (95%) patients. Numbness of the glans, which the patients found initially upsetting, decreased or disappeared spontaneously 3-6 months later. Penile prosthesis implantation with tunica albuginea incisions is a viable alternative in the treatment of Peyronie's disease because the extensive dissection of the neurovascular bundle allows a good approach to the plaque and provides excellent covering of the incised tunica albuginea without additional grafting. © 2013 AJA, SIMM & SJTU. All rights reserved.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Repeated penile girth enhancement with biodegradable scaffolds: Microscopic ultrastructural analysis and surgical benefits
    (2018)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Bumbasirevic, Uros (36990205400)
    ;
    Stojanovic, Borko (54390096600)
    ;
    Stevovic, Tamara (55189979900)
    ;
    Martinovic, Tamara (55178221600)
    ;
    Bizic, Marta (23970012900)
    ;
    Kojovic, Vladimir (23970795300)
    Autologous tissue engineering using biodegradable scaffolds as a carrier is a well-known procedure for penile girth enhancement. We evaluated a group of previously treated patients with the aim to analyze histomorphometric changes after tissue remodeling and to estimate the benefits of repeated procedure. Between February 2012 and December 2016, a group of 21 patients, aged 22-37 (mean 28.0) years, underwent a repeated penile girth enhancement procedure with biodegradable scaffolds. Procedure included insertion of two poly-lactic-co-glycolic acid scaffolds seeded with laboratory-prepared fibroblasts from scrotal tissue specimens. During this procedure, biopsy specimens of tissue formed after the first surgery were taken for microscopic analysis. The mean follow-up was 38 months. Connective tissue with an abundance of connective tissue fibers, small blood vessels, and inflammatory cells were observed in all analyzed surgically removed tissue. Ultrastructural analysis of these tissue samples discovered the presence of large quantities of collagen fibrils running parallel to each other, forming bundles, with a few widely spread fibroblasts. In total, the mean values of flaccid and erect gain in girth after the second surgery were 1.1 ± 0.4 (range: 0.6-1.7) cm and 1.0 ± 0.3 (range: 0.6-1.5) cm, respectively. Microscopic evaluation of newly formed tissue, induced by autologous tissue engineering using biodegradable scaffolds, showed the presence of vascularized loose connective tissue with an abundance of collagen fibers, fibroblasts, and inflammatory cells, indicating active neovascularization and fibrinogenesis. The benefit of the repeated enhancement procedure was statistically significant. © 2018 Wolters Kluwer Medknow Publications.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Single-stage repair of obliterated anterior urethral strictures using buccal mucosa graft and dorsal penile skin flap
    (2019)
    Kojovic, Vladimir (23970795300)
    ;
    Djordjevic, Miroslav L (7102319341)
    ;
    Vuksanovic, Aleksandar (6602999284)
    Objective: To present a single-stage repair of obliterative urethral strictures by simultaneous use of a buccal mucosa graft and longitudinal dorsal penile skin flap. Methods: Between February 2007 and October 2016, 51 patients with obliterative anterior urethral stricture underwent single-stage substitution urethroplasty. A buccal mucosa graft was harvested and fixed to the corpora cavernosa as the dorsal part of the neourethra, and a vascularized dorsal penile skin flap was created, transposed ventrally and sutured to the buccal mucosa graft to form ventral part of the neourethra. Results: The follow-up period was 12–129 months (mean 49 months). The mean age of the patients was 48 years (range 15–71 years). The mean length of the obliterated urethral segment, measured during the operative procedure, was 5.2 cm. The etiology of strictures was: unknown, hypospadias and trauma in 19, 27 and five patients, respectively. Five patients were lost to follow up, and 46 patients were analyzed for the outcome. At the end of the follow-up period, recurrence of the stricture occurred in seven (15.2%) patients, whereas 39 (84.8%) patients did not develop stricture. An additional three (6.5%) patients developed fistula, resulting in overall successful voiding in 36 (78.3%) patients. Conclusions: A combined buccal mucosa graft and longitudinal dorsal penile skin flap could be a good choice for one-stage substitution urethroplasty in complex obliterative urethral strictures, with an acceptable complication rate. © 2018 The Japanese Urological Association
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Total Phalloplasty With Latissimus Dorsi Musculocutaneous Flap in Female-to-male Transgender Surgery
    (2018)
    Jun, Min Suk (57201881511)
    ;
    Pušica, Slavica (57202781846)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Bizic, Marta (23970012900)
    ;
    Stojanovic, Borko (54390096600)
    ;
    Krstic, Zoran (6603679391)
    ;
    Korac, Gradimir (8312474700)
    ;
    Djordjevic, Miroslav L. (7102319341)
    OBJECTIVE: To present our technique of musculocutaneous latissimus dorsi (MLD) free-flap total phalloplasty. This technically demanding female-to-male gender reassignment surgery consists of creating a neophallus from extragenital tissue. METHODS: The presented technique included: removal of internal and/or external female genitalia, creation of neophallus using latissimus dorsi free flap, clitoral incorporation into the neophallus, urethral lengthening, and insertion of testicular implants into the newly created scrotum. The MLD flap with proper dimension is harvested from nondominant side and tubularized. Microvascular anastomosis is done between thoracodorsal vessels and femoral artery and saphenous vein. Neophallus is positioned in adequate place. Urethroplasty is performed by combining different genital flaps that are harvested from anterior vaginal wall, urethral plate, and both labia minora and clitoral skin. Scrotoplasty is done by joining both labia majora with implantation of testicular implants. RESULTS: Operative time was 427 minutes with minimal blood loss. Both donor site and graft healed well, and the patient reports voiding well while standing. Penile prosthesis implantation as well as neophallic urethroplasty are planned for the second stage. CONCLUSION: Total MLD flap phalloplasty with urethral lengthening is a challenging and complex surgical procedure. This technique presents good variant for female transgenders with acceptable cosmetic outcome and enables good volume of neophallus, sexual arousal, and voiding while standing. Copyright © 2018 Elsevier Inc. All rights reserved.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Treatment for failed epispadias repair presenting in adults
    (2013)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Bizic, Marta R. (23970012900)
    ;
    Martins, Francisco (7006504376)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Krstic, Zoran (6603679391)
    Purpose: We evaluated the results of 1-stage and multistage penile reconstruction in adults with complications after multiple failed epispadias repairs. Materials and Methods: A total of 23 adults underwent penile disassembly for repeat epispadias repair from February 2006 to June 2011. Median age at surgery was 27 years (range 17 to 41). Surgical treatment included penile disassembly with complete straightening and lengthening of the penis, followed by urethral reconstruction. The corpora cavernosa were completely separated from the glans cap with the neurovascular bundles and from the urethra. The urethra, which was short in all cases, was divided at the glans level. Penile straightening and lengthening were achieved by tunica albuginea incision and grafting. The urethra was reconstructed 3 to 6 months later using combined buccal mucosa graft and genital skin flaps. Success was defined as a functional penis without urethral fistula or stricture, or residual chordee as well as a cosmetically acceptable penile appearance. Results: Mean followup was 33 months (range 14 to 78). Of the patients 19 had a completely straightened and lengthened penis. Improved length of the erect penis was 2.7 to 6.6 cm. In 4 patients mild curvature developed without the need for additional correction. Urethral fistula in 3 cases was repaired 6 months after urethroplasty in 2, while it closed spontaneously in 1. All 21 sexually active patients reported good erectile function. Conclusions: Adults with complications after childhood epispadias repair are still a difficult population to treat. A radical surgical approach must be used to achieve a successful outcome. © 2013 American Urological Association Education and Research, Inc.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Unrecognized anterior urethral valves as a cause of renal failure
    (2013)
    Kojovic, Vladimir (23970795300)
    ;
    Djordjevic, Miroslav L. (7102319341)
    ;
    Bizic, Marta (23970012900)
    ;
    Majstorovic, Marko (23971198500)
    Congenital obstruction of the male urethra is usually caused by posterior urethral valves. Anterior urethral valves (AUV) represent a rare anomaly with a wide spectrum of presentation varying from mild voiding difficulties to end-stage renal disease. Prompt diagnosis and appropriate treatment is essential to prevent renal impairment. We report the case of a 13 month-old boy who presented with deterioration of kidney function caused by unrecognized AUV disorder. Temporary cutaneous vesicostomy was necessary to protect the upper urinary tract from further damage and to stabilize renal function. Even though a voiding cystourethrogram (VCUG) demonstrated obstruction of distal urethra, AUV were initially overlooked but finally diagnosed on additional VCUG followed by urethroscopy. © 2013 Versita Warsaw and Springer-Verlag Berlin Heidelberg.
  • Loading...
    Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Urethral Stricture Disease: Challenges and Ongoing Controversies
    (2016)
    Djordjevic, Miroslav L. (7102319341)
    ;
    Martins, Francisco E. (7006504376)
    ;
    Kojovic, Vladimir (23970795300)
    ;
    Kurbatov, Dmitry (6701652458)
    [No abstract available]

Built with DSpace-CRIS software - Extension maintained and optimized by 4Science

  • Privacy policy
  • End User Agreement
  • Send Feedback